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Full Freeview on the Mendip (Somerset, England) transmitter

first published this on - UK Free TV
sa_streetviewGoogle Streetviewsa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps51.237,-2.626 or 51°14'12"N 2°37'33"Wsa_postcodeBA5 3LB


The symbol shows the location of the Mendip (Somerset, England) transmitter which serves 720,000 homes. The bright green areas shown where the signal from this transmitter is strong, dark green areas are poorer signals. Those parts shown in yellow may have interference on the same frequency from other masts.

This transmitter has no current reported problems

The BBC and Digital UK report there are no faults or engineering work on the Mendip (Somerset, England) transmitter.

Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name

Which Freeview channels does the Mendip transmitter broadcast?

If you have any kind of Freeview fault, follow this Freeview reset procedure first.

Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.

 H max
C32 (562.0MHz)591mDTG-3100,000W
Channel icons
1 BBC One West, 2 BBC Two England, 9 BBC Four, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, 601 BBC RB 1, plus 12 others

 H max
C34 (578.0MHz)591mDTG-3100,000W
Channel icons
 E4, 3 ITV (West), 5 Channel 5, 6 ITV 2, 10 ITV3, 15 Film4, 24 ITV4, 33 ITV +1 (West), 73 Sewing Quarter,

 H max
C35 (586.0MHz)591mDTG-6100,000W
Channel icons
101 BBC One HD (England no regional news), 102 BBC Two HD (England), 103 ITV HD (ITV Meridian Southampton), 104 Channel 4 HD South ads, 105 Channel 5 HD, 204 CBBC HD,

 H max
C48 (690.0MHz)591mDTG-8100,000W
Channel icons
20 Drama, 21 5 USA, 30 5STAR, 37 Quest, 54 5SELECT, 57 Paramount Network, 61 True Entertainment, 63 Blaze, 66 CBS Reality, 70 Horror Channel, 80 Blaze +1, 203 CITV, 211 Ketchup TV, plus 17 others

 H max
C33 (570.0MHz)591mDTG-8100,000W
Channel icons
11 pick, 12 Dave, 17 Really, 32 Sony Movie Ch, 38 Quest Red, 41 Food Network, 46 Challenge, 48 Movies4Men, 72 YourTV, 233 Sky News, plus 9 others

 H max
C36 (594.0MHz)591mDTG-8100,000W
Channel icons
18 4Music, 19 Yesterday, 25 Home, 31 5Spike, 39 CBS Action, 42 Travel Channel, 47 4seven, 62 True Christmas, 71 CBS Drama, 79 Dave ja vu, plus 19 others

 H -10dB
C51 (714.0MHz)591mDTG-1210,000W
Channel icons
from 22nd September 2014: 7 Made in Bristol,

 H -1.4dB
C55 (746.0MHz)591mDTG-672,400W
Channel icons
67 CBS Reality 1, 82 Vintage TV, 87 Keep It Country, 107 BBC News HD, 109 Channel 4+1 HD, 110 4seven HD, 113 RT HD, plus 2 others

 H -1.6dB
C56 (754.0MHz)591mDTG-669,100W
Channel icons
55 5STAR+1, 64 CBS Action +1, 64 Freesports, 86 More4+1, 86 More4 1, 88 NOW 80s, 93 Together, 94 PBS America, 96 Forces TV, 106 BBC Four HD, 115 BT Showcase HD (not free), 205 CBeebies HD, plus 2 others

DTG-3 64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2
DTG-6 256QAM 32KE 2/3 40.2Mb/s DVB-T2 MPEG4
DTG-8 64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
DTG-12 QSPK 8K 3/4 8.0Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)

Which BBC and ITV regional news can I watch from the Mendip transmitter?

regional news image
BBC Points West 0.9m homes 3.4%
from Bristol BS8 2LR, 25km north (3°)
to BBC West region - 60 masts.
regional news image
ITV West Country News (East) 0.9m homes 3.4%
from Bristol BS4 3HG, 23km north (11°)
to ITV West region - 61 masts.
All of lunch, weekend and 50% evening news is shared with West Country (West)

Are there any self-help relays?

CheddarTransposer15 km E Weston-super-Mare1674 homes
LuccombeActive deflector6 km w Minehead38 homes

How will the Mendip (Somerset, England) transmission frequencies change over time?

years1984-971997-981998-20102010-1327/3/13-2013-1727th Feb 2018
aerial groupC/D EEEC/D EC/D EWW

orange background for multiplexes names more
green background for transmission frequencies
lilac background for power levels in watts
800MHz band: 4G mobile started in 2013
700MHz band: 4G from 30 June 2020more
600MHz band: new or moved digital TV services more
Notes: + and - denote 166kHz offset; aerial group are shown as A B C/D E K W
Italics for analogue, digital switchover was Wednesdays 24th March and 7th April 2010.

How do the old analogue and currrent digital signal levels compare?

Analogue 1-4 500kW
Analogue 5(-6dB) 126kW
SDN, ARQA, ARQB, BBCA, D3+4, BBCB(-7dB) 100kW
com7(-8.4dB) 72.4kW
com8(-8.6dB) 69.1kW
Mux 1*, Mux 2*, Mux A*, Mux B*, Mux C*, Mux D*, LBS(-17dB) 10kW

Which companies have run the Channel 3 services in the Mendip transmitter area

Jan 1958-Jul 1968Television Wales and the West
Jul 1968-Feb 2004Harlech Television
Feb 2004-Dec 2014ITV plc
Feb 1983-Dec 1992TV-am•
Jan 1993-Sep 2010GMTV•
Sep 2010-Dec 2014ITV Daybreak•
• Breakfast ◊ Weekends ♦ Friday night and weekends † Weekdays only. Mendip was not an original Channel 3 VHF 405-line mast: the historical information shown is the details of the company responsible for the transmitter when it began transmitting Channel 3.

Thursday, 11 January 2018
Rachel brunsdon
9:14 PM

Hi, I have constant bad signal on channels 1-5 for the past 4 days in yatton. Signal gets lost tv screen goes black and the sound can just come and go. Can anyone tell me what's going on

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Rachel brunsdon's 1 post GB
11:06 PM

Rachel brunsdon: Have you checked for any loose or damaged cables or connections behind your TV? Please provide a full postcode so we can see your predicted signal strength and where you are in relation to the transmitter etc.

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StevensOnln1's 2,137 posts Platinum Platinum GB
Friday, 12 January 2018
10:24 PM

Rachel Brunsdon:

We use Mendip as our main Freeview source and there are no problems with the transmissions. So I concur with StevensOnln1 that you should carefully check all the aerial connections right from the aerial to the back of your TV set.

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MikeP's 2,469 posts Platinum Platinum GB
Tuesday, 16 January 2018
3:38 PM

There have been recent problems in my area (North Cadbury, Somerset BA22) with drop outs in HD. This may be related to the new channel changes. A total retune seems to have cured the problem.
However WARNING: I receive regions West (Mendip), South West and Wales. Most TVs will ask which region you want in cases like this. I found that many channels were missing after retune, and these needed manual retuning.

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wes.w's 3 posts GB
11:23 PM


Indeed a retune should resolve any reception difficulties in this instance. That you have several transmitter options available means that you have to be careful to ensure it tunes to the Mendip transmitter if you want HTV West, BBC 1 West, etc.

Whilst you are checking the channels the TV has tuned to, check that the signal strengths aree between 60% and 85%. Either less or more will give you picture breakup and sound problems.

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MikeP's 2,469 posts Platinum Platinum GB
Wednesday, 17 January 2018
6:09 PM

I am getting local news on ITV but I get Central on ITV HD. Can this be changed please

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Graham's 1 post GB
7:15 PM

Graham: As you've posted on the Mendip page, presumably you are talking about receiving ITV Central HD on Freeview. This is because ITV currently only transmit four of their regions in HD on Freeview in England (London, Meridian, Central and Granada). More ITV HD regions are available on satellite, but as ITV HD is broadcast on Freeview capacity belonging to the BBC, we probably won't see any further ITV HD regions being made available via Freeview until the BBC are in a position to start broadcasting regional versions of BBC One HD (both are broadcast on the PSB3 multiplex which is owned/operated by the BBC).

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StevensOnln1's 2,137 posts Platinum Platinum GB
Thursday, 18 January 2018
2:58 AM

No COM7 or COM8 (UHF chs 33 and 35) at the moment (~3am), are they off at night time for engineering work? COM7 was fine earlier today. I see that they will disappear at the end of March this year, perhaps that is related. Other muxes e.g. the man HD mux (ch58) are fine.

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TimH's 8 posts US
10:39 AM

TimH: It would be very unusual for any engineering work to take place overnight (unless there was a fault). COM7 & COM8 are not closing in March, they are moving to form a national single frequency network (SFN) on UHF channels 55 & 56 (where they will remain until some time between 2020 and 2022), although according to Digital UK those changes aren't happening at Mendip until Spring 2019. Several multiplexes will change frequencies around the same time (although it looks like this will happen in three steps on different dates). The only changes taking place at Mendip this year are that COM5 will move to UHF 33 and COM7 will temporarily move to UHF 36 on 27th February.

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StevensOnln1's 2,137 posts Platinum Platinum GB
John Sykes
9:28 PM

we have a Philips HD pvr HDT 8520 working off Mendip: all channels OK and decodable, including CH33. It lost the mux which includes BBC4 HD, so I ended up doing a factory reset and retuning. It pauses to ask which network to choose: "West" (116 tv's) or "Com78 National" (28). You can't choose both. If I select "West", it then puts the BBC4 HD mux channels up in the 815 channel area with no metadata to enable program recording. If I choose "Com78 National" we have the correct channel numbering for BBC4 HD (106) and the other HD channels in Ch33 mux, but not for the normal BBC1/ITV/Ch4 hd's etc, which end up with no metadata, numbered in the 200's I think. Can something be done to make the networks converge? There must hae been a change incompatible with with the box's firmware?

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John Sykes's 3 posts GB
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